HuNan_DM/DM_Weight/ViewModels/StockListWindowViewModel.cs

using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using SqlSugar;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Documents;
using DM_Weight.Models;
using DM_Weight.Report;
using DM_Weight.select;
using DM_Weight.util;
using System.ComponentModel;
using System.Windows.Data;
using System.Runtime.InteropServices;
using System.Threading;
using log4net.Repository.Hierarchy;
using log4net;

namespace DM_Weight.ViewModels
{
    public class StockListWindowViewModel : BindableBase, IConfirmNavigationRequest, IRegionMemberLifetime
    {
        //public static StockListWindowViewModel vm;
        public string drugId;
        public static List<OrderTakeSelect> StaticSelects = new()
        {
            new OrderTakeSelect
            {
                Code = "DrugName",
                Name = "药品名称"
            },
            new OrderTakeSelect
            {
                Code = "PyCode",
                Name = "拼音码"
            },
            new OrderTakeSelect
            {
                Code = "DrugBarcode",
                Name = "药品条码"
            },
            new OrderTakeSelect
            {
                Code = "DrugId",
                Name = "药品编码"
            }
        };

        private List<OrderTakeSelect> _selects = StaticSelects;

        public List<OrderTakeSelect> Selects
        {
            get { return _selects; }
            set
            {
                SetProperty(ref _selects, value);
            }
        }

        private OrderTakeSelect _selectedItem = StaticSelects[0];
        /// <summary>
        /// 查询条件 查询字段
        /// </summary>
        public OrderTakeSelect SelectedItem
        {
            get { return _selectedItem; }
            set
            {
                SetProperty(ref _selectedItem, value);
                RequestData();
            }
        }

        private string? _searchValue;

        /// <summary>
        /// 查询条件 查询字段值
        /// </summary>
        public string? SearchValue
        {
            get { return _searchValue; }
            set
            {
                SetProperty(ref _searchValue, value);
                RequestData();
            }
        }
        IDialogService _dialogService;
        ////private SqlSugarScope SqlSugarHelper.Db;
        private readonly ILog logger = LogManager.GetLogger(typeof(StockListWindowViewModel));
        public StockListWindowViewModel(IDialogService dialogService)
        {
            logger.Info("进入StockListWindowViewModel构造函数");
            _dialogService = dialogService;
            ////this.SqlSugarHelper.Db = sqlSugarScope;
            //vm = this;
        }
        private ChannelStock? _selectedChannel;

        public ChannelStock? SelectedChannel
        {
            get => _selectedChannel;
            set => SetProperty(ref _selectedChannel, value);
        }

        private List<ChannelStock>? _channelStocks = new();

        public List<ChannelStock>? ChannelStocks
        {
            get => _channelStocks;
            set => SetProperty(ref _channelStocks, value);
        }

        public DelegateCommand BindingChannelDialog
        {
            get => new DelegateCommand(() =>
            {
                DialogParameters dialogParameters = new DialogParameters();
                //DialogServiceExtensions.ShowDialogHost(_dialogService, "BindingChannelDialog", dialogParameters, DoDialogResult, "RootDialog");
                DialogServiceExtensions.ShowDialogHost(_dialogService, "BindingChannelNewDialog", dialogParameters, DoDialogResult, "RootDialog");
            });
        }


        public DelegateCommand QueryCommand
        {
            get => new DelegateCommand(() =>
            {
                RequestData();
            });
        }
        /// <summary>
        /// 导出账册
        /// </summary>
        public DelegateCommand DownloadAccountBook
        {
            get => new DelegateCommand(() =>
            {
                AccountAction();
            });
        }
        private void AccountAction()
        {
            DialogParameters dialogParameters = new DialogParameters();
            dialogParameters.Add("Stock", drugId);
            DialogServiceExtensions.ShowDialogHost(_dialogService, "StockListAccountDialog", dialogParameters, "RootDialog");
        }

        private void DoDialogResult(IDialogResult dialogResult)
        {
            // 委托   被动执行     被子窗口执行
            // dialogResult  第一方面可以拿到任意参数   第二方面   可判断关闭状态
            //if (dialogResult.Result == ButtonResult.OK)
            //{
            RequestData();
            //}
            //MessageBox.Show("返回值：" + dialogResult.Result.ToString());
        }

        public DelegateCommand Download
        {
            get => new DelegateCommand(() =>
            {
                GridReportUtil.PrintReportStock();
            });
        }

        public DelegateCommand<object> ClickCommand
        {
            get => new DelegateCommand<object>((SelectedChannel) =>
            {
                if (SelectedChannel != null)
                {

                }
            });
        }

        public bool KeepAlive => true;



        //这个方法用于拦截请求,continuationCallback(true)就是不拦截，continuationCallback(false)拦截本次操作
        public void ConfirmNavigationRequest(NavigationContext navigationContext, Action<bool> continuationCallback)
        {
            continuationCallback(true);
        }
        private List<DrugInfo>? _drugs = new();

        public List<DrugInfo>? Drugs
        {
            get => _drugs;
            set => SetProperty(ref _drugs, value);
        }
        private DrugInfo? _drug;

        public DrugInfo? Drug
        {
            get => _drug;
            set => SetProperty(ref _drug, value);
        }

        public void RequestData()
        {
            logger.Info("开始StockListWindowViewModel_查询数据");
            //ChannelStocks.Clear();
            //List<ChannelStock> q = new List<ChannelStock>();
            //Task.Factory.StartNew(() =>
            //{
            //    List<ChannelStock> q = SqlSugarHelper.Db.Queryable<ChannelStock>()
            //        .Includes<DrugInfo>(cs => cs.DrugInfo)
            //        .InnerJoin<ChannelList>((cs, cl) => cs.Chnguid == cl.Id && cs.DrugId == cl.DrugId)
            //        .Where(cs => cs.DrawerType == 1)
            //        .Where(cs => cs.DrugId != null)
            //        .Where(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1"))

            //        .WhereIF(!String.IsNullOrEmpty(SearchValue), cs => cs.DrugInfo.DrugName == SearchValue)
            //        .OrderBy(cs => cs.DrawerNo)
            //        .OrderBy(cs => cs.ColNo)
            //        .OrderBy(cs => cs.DrugId)
            //        .ToList();
            ////});
            //ChannelStocks = q.Select(it => { it.CheckQuantity = it.Quantity; return it; }).ToList();
            //ICollectionView vw = CollectionViewSource.GetDefaultView(q);
            //vw.GroupDescriptions.Add(new PropertyGroupDescription("DrugInfo"));
            //ChannelStocks = q;

            //List<DrugInfo> q = SqlSugarHelper.Db.Queryable<DrugInfo>()
            //  .Includes<ChannelStock>(di => di.channelStocks.Where(cs => cs.DrawerType == 1).Where(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1") && cs.DrugId != null).OrderBy(cs => cs.DrawerNo).OrderBy(cs => cs.ColNo).ToList())
            //  .WhereIF(!String.IsNullOrEmpty(SearchValue) && SelectedItem.Code.Equals("DrugId"), (cs) => cs.DrugId.Contains(SearchValue))
            //  .WhereIF(!String.IsNullOrEmpty(SearchValue) && SelectedItem.Code.Equals("DrugName"), (cs) => cs.DrugName.Contains(SearchValue))
            //  .WhereIF(!String.IsNullOrEmpty(SearchValue) && SelectedItem.Code.Equals("PyCode"), (cs) => cs.PyCode.Contains(SearchValue))
            //  .WhereIF(!String.IsNullOrEmpty(SearchValue) && SelectedItem.Code.Equals("DrugBarcode"), (cs) => cs.DrugBarcode.Contains(SearchValue))
            // .Where(di => di.channelStocks.Any(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1") && cs.DrugId != null))
            // .OrderBy(cs => cs.DrugId)
            // .ToList();
            //Drugs = q;

            List<DrugInfo> q = SqlSugarHelper.Db.Queryable<DrugInfo>()
               .Includes<ChannelStock>(di => di.channelStocks.Where(cs => cs.DrawerType == 1)
                                                             .WhereIF(App.SingleModel, cs => cs.DrawerNo <= 2) //单人登录开前8个抽屉，双人登录开后8个抽屉
                                                             .WhereIF(!(App.SingleModel), cs => cs.DrawerNo > 2)
                                                             .Where(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1") && cs.DrugId != null).OrderBy(cs => cs.DrawerNo).OrderBy(cs => cs.ColNo).ToList())
               .WhereIF(!String.IsNullOrEmpty(SearchValue) && SelectedItem.Code.Equals("DrugId"), (cs) => cs.DrugId.Contains(SearchValue))
               .WhereIF(!String.IsNullOrEmpty(SearchValue) && SelectedItem.Code.Equals("DrugName"), (cs) => cs.DrugName.Contains(SearchValue))
               .WhereIF(!String.IsNullOrEmpty(SearchValue) && SelectedItem.Code.Equals("PyCode"), (cs) => cs.PyCode.Contains(SearchValue))
               .WhereIF(!String.IsNullOrEmpty(SearchValue) && SelectedItem.Code.Equals("DrugBarcode"), (cs) => cs.DrugBarcode.Contains(SearchValue))
             .WhereIF(App.SingleModel, di => di.channelStocks.Any(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1") && cs.DrugId != null&&cs.DrawerNo <= 2&& cs.DrawerType == 1))
             .WhereIF(!(App.SingleModel), di => di.channelStocks.Any(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1") && cs.DrugId != null&&cs.DrawerNo > 2&& cs.DrawerType == 1))
             .OrderBy(cs => cs.DrugId)
             .ToList();
            Drugs = q;

            logger.Info("结束StockListWindowViewModel_查询数据");
        }

        //接收导航传过来的参数  现在是在此处初始化了表格数据
        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            logger.Info("进入StockListWindowViewModel_OnNavigatedTo");
            //RequestData();
            Task.Factory.StartNew(() => RequestData());
            logger.Info("结束StockListWindowViewModel_OnNavigatedTo");
        }


        //每次导航的时候，该实列用不用重新创建，true是不重新创建,false是重新创建
        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        //这个方法用于拦截请求
        public void OnNavigatedFrom(NavigationContext navigationContext)
        {

        }
        public DelegateCommand RowSelected
        {
            get => new DelegateCommand(() =>
            {
                //if (ChannelStocks != null)
                //{
                //    SelectMachineRecords = ChannelStocks.Select(x =>
                //    {
                //        x.IsSelected = !x.IsSelected;
                //        return x;
                //    }).ToList();


                //}
            });
        }
    }
}